Iori is a housewife who lives with her silent and serious husband. Her husband has always been a bland person, and her daily and nightlife have become unexciting. Recently, she has become friendly with the wife next door, and they have been having dinner parties together. Her husband and the husband seem to get along well, and the couple get along well. One day, while she is having tea with her wife, the husband comes home. When the doorbell rings and the wife leaves the table, the husband suddenly kisses her. Iori, who has never had any excitement in her daily life, is confused, but she doesn't feel bad. However, because it's awkward, she wants to keep her distance from the couple next door as much as possible. One day, her husband says he's going to have a dinner party with the neighbors, and Iori can't refuse and joins in. They drink alcohol and the dinner party progresses. Then the husband and wife get drunk. As if he had been waiting for them to get drunk, the husband embraces Iori and gives her a passionate kiss. And when her husband showed her his hard, erect crotch, she got so excited that she started sucking it as if she was tasting it. And she had been climaxing many times with the sexual act that she couldn't experience with her husband...